:root {
  --background: #f7f5ee;
  --surface: #ffffff;
  --ink: #151712;
  --muted: rgba(21, 23, 18, 0.58);
  --soft: rgba(21, 23, 18, 0.08);
  --line: rgba(21, 23, 18, 0.12);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  background:
    radial-gradient(circle at 85% 8%, rgba(21, 23, 18, 0.07), transparent 24rem),
    var(--background);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

.product-page {
  width: min(1120px, calc(100vw - 48px));
  margin: 0 auto;
  padding: 28px 0 96px;
}

.product-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: clamp(72px, 11vw, 128px);
}

.back-link,
.launch-link {
  color: var(--ink);
  text-decoration: none;
}

.back-link {
  color: var(--muted);
  font-size: 0.95rem;
}

.launch-link {
  border: 1px solid var(--ink);
  border-radius: 999px;
  padding: 11px 18px;
  font-size: 0.95rem;
  transition:
    background 160ms ease,
    color 160ms ease,
    transform 160ms ease;
}

.launch-link:hover,
.launch-link:focus-visible {
  background: var(--ink);
  color: var(--background);
  outline: none;
  transform: translateY(-1px);
}

.product-hero {
  max-width: 900px;
}

.kicker,
.status {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

.status {
  margin-top: 18px;
}

h1 {
  max-width: 900px;
  margin: 18px 0 0;
  font-size: clamp(3.5rem, 13vw, 9.5rem);
  line-height: 0.86;
  font-weight: 520;
  letter-spacing: -0.085em;
}

.description {
  max-width: 680px;
  margin: 34px 0 0;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.35rem);
  line-height: 1.45;
}

.product-sections {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: clamp(72px, 10vw, 112px);
}

.product-section {
  min-height: 220px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.48);
  border: 1px solid var(--line);
  border-radius: 22px;
}

.product-section h2 {
  margin: 0 0 22px;
  font-size: 0.95rem;
  font-weight: 520;
  letter-spacing: -0.02em;
}

.product-section p,
.product-section ul {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.5;
}

.product-section ul {
  padding-left: 1.1em;
}

@media (max-width: 860px) {
  .product-page {
    width: min(100%, calc(100vw - 32px));
    padding-top: 22px;
  }

  .product-header {
    margin-bottom: 72px;
  }

  .product-sections {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 64px;
  }

  .product-section {
    min-height: auto;
  }
}

@media (max-width: 520px) {
  .product-page {
    width: auto;
    margin: 0 12px;
  }

  .product-header {
    align-items: flex-start;
    display: block;
    margin-bottom: 64px;
  }

  .back-link {
    display: inline-block;
    max-width: none;
  }

  .launch-link {
    display: inline-block;
    margin-top: 12px;
    padding: 10px 12px;
  }

  h1 {
    font-size: clamp(2.8rem, 16vw, 5.4rem);
  }

  .description {
    margin-top: 28px;
  }
}